Re: [Qemu-devel] [PATCH v7 11/35] util: introduce qemu_file_getlength()

[Xiao Guangrong]

On 11/04/2015 07:21 AM, Eduardo Habkost wrote:
> On Mon, Nov 02, 2015 at 05:13:13PM +0800, Xiao Guangrong wrote:
> [...]
> > +size_t qemu_file_getlength(const char *file, Error **errp)
> > +{
> > +    int64_t size;
> [...]
> > +    return size;
>
> Can you guarantee that SIZE_MAX >= INT64_MAX on all platforms supported
> by QEMU?

Actually, this function is abstracted from the common function, raw_getlength(),
in raw-posix.c whose return value is int64_t.

And i think int64_t is large enough for block devices.